Span is a representation of a single operation within a trace. It can be a root span or a child span.
| 40 | |
| 41 | |
| 42 | class Span(pydantic.BaseModel): |
| 43 | """ |
| 44 | Span is a representation of a single operation within a trace. |
| 45 | It can be a root span or a child span. |
| 46 | """ |
| 47 | |
| 48 | name: Optional[str] = None |
| 49 | trace_id: Optional[str] = None |
| 50 | span_id: str |
| 51 | parent_span_id: Optional[str] = None |
| 52 | kind: Union[SpanKind, str] = SpanKind.INTERNAL |
| 53 | start_time: int = 0 |
| 54 | end_time: Optional[int] = None |
| 55 | project_id: Optional[str] = None |
| 56 | service_name: str = DEFAULT_SERVICE_NAME |
| 57 | scope_name: str = DEFAULT_SCOPE_NAME |
| 58 | scope_version: str = DEFAULT_VERSION |
| 59 | resource_attributes: dict[str, str] = pydantic.Field(default_factory=dict) |
| 60 | span_attributes: dict[str, str] = pydantic.Field(default_factory=dict) |
| 61 | status_code: str = "OK" |
| 62 | status_message: str = "" |
| 63 | events: list[dict[str, Any]] = pydantic.Field(default_factory=list) |
| 64 | links: list[dict[str, Any]] = pydantic.Field(default_factory=list) |
| 65 | |
| 66 | model_config = { |
| 67 | 'arbitrary_types_allowed': True, |
| 68 | } |
| 69 | |
| 70 | def __repr__(self) -> str: |
| 71 | return f"Span(span_id={self.span_id}, parent_span_id={self.parent_span_id})" |
| 72 | |
| 73 | def model_post_init(self, __context) -> None: |
| 74 | if self.end_time is None: |
| 75 | self.end_time = self.start_time |
| 76 | |
| 77 | @property |
| 78 | def duration(self) -> int: |
| 79 | """Calculate duration in nanoseconds""" |
| 80 | if self.end_time and self.start_time: |
| 81 | return self.end_time - self.start_time |
| 82 | return 0 |
| 83 | |
| 84 | def to_clickhouse_dict(self) -> dict[str, Any]: |
| 85 | """Convert to a dictionary ready for ClickHouse insertion""" |
| 86 | |
| 87 | if self.start_time: |
| 88 | timestamp = ns_to_datetime(self.start_time) |
| 89 | else: |
| 90 | timestamp = datetime.now(timezone.utc) |
| 91 | |
| 92 | # otel_context = SpanContext( |
| 93 | # trace_id=trace_id, |
| 94 | # span_id=span_id, |
| 95 | # is_remote=False, |
| 96 | # trace_flags=TraceFlags(0x1), # SAMPLED |
| 97 | # trace_state=TraceState() |
| 98 | # ) |
| 99 |